Liner for centrifugal separators.



PATENTED MAY 2, 1905.

nue'nior MQWM A. L. GHRISTENSON. LINER FOR OENTRIFUGAL SEPARATORS.

APPLIOATION FILED 1320.29. 1003.

WWW ass as wu J- niTnn STATES Patented May 2, 1905.

PATENT OFFICE.

ALGOT LEVIN UHRISTENSON, OF STOCKHOLM, SWEDEN.

SPECIFICATION forming part of Letters Patent No. 788,752, dated May 2,1905.

Application filed December 29,1903. Serial No. 186,966.

To all whom it may concern.-

Be it known that I, ALeo'r LEVIN CHRISTEN- SON, a subject of the King ofSweden and Norway, and a resident of Stockholm, Sweden, have inventednew and useful Improvements in Distributing Devices for Liners forCentrifugal Separators, of which the following is a specification,reference being had to the drawings accompanying and forming a parthereof.

This invention relates to improvements in distributing devices forliners for centrifugal separators.

The object of the invention is to provide means for effecting a moreuniform distribution of the full-milk over the whole liner than washeretofore possible without decreasing the possibility of cleaning theinlet-pipe.

The invention consists, briefly, in the provision of throttling means atthe orifices of the said distributing devices in such a nlanner thatthey will effect a throttling of the milk strong enough to compel themilk to rise in the distributing device on account of the centrifugalforce, and thereby to flow out more uniformly along the whole length ofthe distributingde- Vice than heretofore.

In carrying out the invention there may be arranged at the outer partsof the distributing device plates, ribs, or the like, which may bepivotally or slidably attached to the said device or fixed to the samein any other suitable manner and which may be provided with smallopenings in the shape of narrow slots, holes, or the like or be arrangedin such mannor as to partly cover the orifices of the said device insuch manner that the above-mentioned throttling will be effected.

in the accompanying drawings 1 have shown some embodiments of myinvention.

Figure 1 shows a vertical section of centrifugal separator-bowl havingan inlet-pipe constructed in accordance with the present in vention.Fig. 2 is a horizontal cross-section of the said inlet-pipe. Figs. 3,4c, and 5 show each a constructional form of my improved distributingdevice likewise in horizontal cross-section.

Referring to Fig. l, the bowl 1 is provided With a liner which inwell-known manner consists of a number of conical plates 2,superposed onone another so as to radially divide the contents of the drum into thinlayers in radial direction. For introducing the full-milk into the bowl1 is likewise in well-known manner used a central inlet-pipe 3, havingradiallyprojccting slotted flanges 4. through which the full-milk isthrown out into the liner during the rotation of the bowl. The saidflanges 4 may, as shown in Fig. 2, be provided with grooves in which maybe inserted comparatively thin plates 5. The latter may be provided witha longitudinally-running slot 6 of such dimensions that it will becapable of throttling the milk in such manner that the same will becompelled to rise within the inlet-pipe along the whole length of thesame, and thus to How out over the whole liner more uniformly thanheretofore.

Referring to Fig. 3, the flanges 4 are provided with pivoted plates '7,which may be held in position by means of small springhooks 8 or thelike. The plates 7 (shown in the said figure) are attached at the one oftheir side edges, so that they are turnable horizontally; but obviouslythey may also be attached to the flanges at their upper or lower ends,so that they will be turnable vertically or in any other manner. Thesaid hooks 8 or the corresponding device used may be dispensed with inthe case that the inlet-pipe used in a bowl, the liner of which consistsof conical ringshaped plates superposed on one another and bearing withtheir inner edges against the flanges of the inlet-pipe, inasmuch as insuch case the said plates 7 will be held in position by means of thesaid conical plates constituting the liner.

Referring to Fig. 4, plates 9 are attached to the one side wall of eachflange 3" of the inlet-pipe, the said plates 9 reaching almost to theother side wall of the flanges in such manner that a narrow slot will beleft for letting out the full-milk.

Referring to Fig. 5, the slots of the flanges 3 are at their outermouths limited by ribs 10, preferably made integral with the inletpipe,which ribs 10 between themselves leave a very narrow slot 11. Instead ofbeing made integral with the inlet-pipe the said ribs may also beattached to the said pipe by soldering or by screws or the like, asshown in the lower part of Fig. 5. and be placed obliquely, so as toprevent the collection of slime in the flanges. The last-mentioneddevice may also be applied to the constructional forms in I which onlyone plate or the like is used for covering the outer mouth of eachflange, in which case the said plate may be of angleshaped or curvedcross-section.

Obviously the slots of the flanges of the inlet-pipes described abovemay be made of such width that the cleaning of the same may be performedwithout difliculty, and the outletopenings may be made as small ornarrow as desired without reducing the possibility of cleaning the slotsof the flanges. It is also obvious that the plates or ribs used may beattached or connected to the flanges of the inlet-pipes in any othermanner than those described above. Since, however, the method ofattaching the said parts is unessential for the present invention,theconstructional forms shown may be considered to be suflicient toillustrate the invention.

Though I have shown in the drawings only inlet-pipes the flanges ofwhich are provided with longitudinally-running slots, the invention mayalso be applied to inlet-pipes the flanges of which are provided withoutlet-openings in the shape of small holes or the like, in'which casethe plates or the like may be arranged to cover to a certain extent theouter mouths of the said holes, as will be easily understood by thoseskilled in the art.

In the drawings the invention has been shown as applied to suchinlet-pipes as provided with radially-projecting flanges. It is obviousthat the invention may be equally well applied to distributing devicesof any other kind, as will be well understood by persons skilled in theart to which it appertains.

Having now particularly described my invention and in what manner thesame may be performed, what I claim as new, and desire to secure byLetters Patent, is

1. The combination with acentrifugal separating-bowl, of an orificeddistributing device, and throttling means connected to said distributingdevice and adapted to compel the full-milk to rise along the wholeheight'of the distributing device, substantially as and for the purposeset forth.

2. The combination with a centrifugal separating-bowl of an orificeddistributing device, and throttling means inside the orifices of thesaid device adapted to compel the fullmilk to rise along the wholeheight of the distributing device, substantially as and for the purposeset forth.

In testimony whereof I have signed my name to this specification in thepresence of two sub scribing witnesses.

ALGOT LEVIN CHRISTENSON. Witnesses:

OSBORN THORGNY FREDRIK KLING,

ERIK OSCAR LINDBERG.

